FLITZ™ Cleans, Polishes, Deoxidizes and Protects (For Up To 6 Months): Brass, Copper, Bronze, Sterling, Silver, Solid Gold, Pewter, Chrome, Stainless Steel, Aluminum, Beryllium, Magnesium, Nickel, Platinum, Anodized Aluminum, Armatel, Factory Hot Gun Bluing, Fiberglass, Plexiglas, Acrylic, Painted Surfaces.